V.L. Bakunin – Junior Research Scientist, Institute of Applied Physics of RAS (N. Novgorod)
E-mail: knightrider7@yandex.ru
M.Yu. Glyavin – Head of Laboratory, Institute of Applied Physics of RAS (N. Novgorod)
E-mail: glyavin@appl.sci-nnov.ru
Yu.V. Novozhilova – Senior Research Scientist, Institute of Applied Physics of RAS (N. Novgorod)
E-mail: julia.novozhilova2009@yandex.ru
A.S. Sedov – Research Scientist, Institute of Applied Physics of RAS (N. Novgorod) E-mail: anton-sedov@mail.ru